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marta [7]
3 years ago
9

Which of the following would change the allele frequencies of a

Biology
2 answers:
pishuonlain [190]3 years ago
8 0

Answer:

A . DNA is stable from generation to generation and does not change, so allele.

Readme [11.4K]3 years ago
4 0
C is the correct answer
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Identify at least six different types of private healthcare facilities
Nuetrik [128]
Six different types of private healthcare facilities are hospitals, clinics, outpatient care centers, and specialized care centers, such as birthing centers and psychiatric care centers. Health facilities provides healthcare. When you want health care, you may choose this center.
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3 years ago
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HELLPP! ITS BIOLOGY
larisa [96]

Answer:

So that in a guinea pig cross in the offspring the recessive trait —long hair— can be observed in 25%, the most probable genotype of the parents is heterozygous Ss.

Explanation:

In guinea pigs, for the characteristic<u> hair length, short hair is the dominant allele and long hair is the recessive one</u>.

In order for 25% of the offspring to express the recessive characteristic, the parents must have a recessive genotype, which can be seen in Punnett's Square:

P: <u>Ss X Ss </u>

<em>Alleles     S     s </em>

<em>S             SS   Ss </em>

<em>s             Ss    ss </em>

Where the offspring is:

  • <em>50% Ss with short hair phenotype </em>
  • <em>25% SS with short hair phenotype </em>
  • <em>25% ss whose phenotype would be long hair. </em>

According to this, heterozygous parents for the characteristic long hair in guinea pigs have a 25% chance of having offspring with long hair.

8 0
2 years ago
Improve the student’s model of gas exchange by drawing the missing component.
larisa [96]

Answer:

The diagram can be improved by:

                                  Lungs

                                       ↓

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                                       ↓

                      Red blood cells (carrying oxygen)

                                       ↓

                  Organs (like stomach and liver etc) from where carbon    

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                                         ↓

                   RBC's carrying Carbon dioxide to the lungs

The component which is missing in the diagram are the organs where exchange of gases occurs. The red blood cells carry oxygenated blood from the lungs to all parts of the body and carries the wast carbon dioxide gas from them back to the lungs. The carbon dioxide is then exhaled by the lungs.

8 0
3 years ago
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Which of the following is/are true?
Softa [21]

Answer: Only Options A, C and E are correct

A) Sympatric speciation is best described as a random event that disrupts the allele frequencies in a population

C) Sympatric speciation does not require geographic isolation.

E) Sympatric speciation can be due to sexual(mate) selection

Explanation:

Sympatric speciation is a random or naturally occurring event whereby organisms of the same species:

> live in the same territory or nearby territories ( i.e not living in isolation)

> DO NOT interbreed, but select a sexual mate from a much diverse territory which results in an uneven gene flow or disruption of alleles among the population of same species of the parents organisms.

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3 years ago
What is represented by the base root of a phylogenetic tree? the extinction of the species the origin of the species evolution o
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"evolution of populations over time" is <span>represented by the base root of a phylogenetic tree</span>
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